Big Brother 2 is the second season of the American reality television series Big Brother. It is based upon the Netherlands series of the same name, which gained notoriety in 1999 and 2000. The series premiered on CBS on July 5, 2001. The HouseGuests entered the house on June 30 with the series lasting 82 days. The season concluded on September 20, 2001 with Dr. Will Kirby being crowned the winner, and Nicole Nilson Schaffrich the runner-up.